CVE-2021-35494 : Exploit Details and Defense Strategies
Learn about CVE-2021-35494, a medium severity vulnerability in TIBCO JasperReports Server allowing unauthorized data access. Find impacted versions and mitigation steps.
TIBCO Software Inc.'s TIBCO JasperReports Server is affected by a race condition vulnerability in the Rest API component. This flaw could allow a low privileged authenticated attacker to gain unauthorized read access to temporary objects created by other users.
Understanding CVE-2021-35494
This CVE details a security issue in TIBCO JasperReports Server that could lead to unauthorized data access.
What is CVE-2021-35494?
The vulnerability in the Rest API component of TIBCO JasperReports Server allows authenticated attackers to read temporary objects created by other users on the system.
The Impact of CVE-2021-35494
Successful exploitation of this vulnerability could result in unauthorized data access by an attacker with low privileges on the affected system.
Technical Details of CVE-2021-35494
The vulnerability is rated with a CVSS base score of 5.7, indicating a medium severity issue with high confidentiality impact and low privileges required for exploitation.
Vulnerability Description
The race condition in the Rest API component of TIBCO JasperReports Server enables attackers to read temporary objects of other users.
Affected Systems and Versions
TIBCO JasperReports Server versions 7.2.1 and below, 7.5.0, 7.5.1, 7.8.0, 7.9.0, Community Edition 7.8.0, Developer Edition 7.9.0, AWS Marketplace 7.9.0, ActiveMatrix BPM 7.9.0, and Microsoft Azure 7.8.0 are impacted.
Exploitation Mechanism
Attackers with low privileges and authenticated access via the REST API can exploit this vulnerability to gain unauthorized read access to temporary objects on the system.
Mitigation and Prevention
It is crucial to apply immediate mitigations and follow long-term security practices to protect systems from unauthorized data access.
Immediate Steps to Take
Ensure to update the affected components to the patched versions provided by TIBCO to prevent exploitation of this vulnerability.
Long-Term Security Practices
Regularly update and patch software components, enforce the principle of least privilege, and monitor access controls to enhance system security.
Patching and Updates
TIBCO has released updated versions addressing this vulnerability for all affected products, including JasperReports Server, Community Edition, Developer Edition, AWS Marketplace, ActiveMatrix BPM, and Microsoft Azure.